CN102705073A - Lubricating oil return mode of supercharger of turbocharged engine - Google Patents
Lubricating oil return mode of supercharger of turbocharged engine Download PDFInfo
- Publication number
- CN102705073A CN102705073A CN2012101749032A CN201210174903A CN102705073A CN 102705073 A CN102705073 A CN 102705073A CN 2012101749032 A CN2012101749032 A CN 2012101749032A CN 201210174903 A CN201210174903 A CN 201210174903A CN 102705073 A CN102705073 A CN 102705073A
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- oil
- engine
- oil return
- pressurized machine
- supercharger
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Abstract
The invention relates to a lubricating oil return mode of a supercharger of a turbocharged engine, and aims to lubricate the supercharger. An oil return channel A which accords with the cold operating condition of an engine, an oil return channel B which accords with the normal operating condition of the engine, oil return channels C and D which accord with the operating condition of the engine in high temperature environment, and a supercharger oil return control valve are arranged on a cylinder body of the engine, so that oil return lines of lubricating oil in the supercharger of the engine in different operating states are cyclically switched. The operating efficiency of the engine is improved; the high temperature characteristic of the lubricating oil in the supercharger is reasonably utilized, so that the heat balance of the engine is realized; and meanwhile, the oil return performance of the supercharger of the engine is improved, the probability that the oil in the supercharger leaks is reduced, and the power performance and economy of the engine are effectively improved.
Description
Technical field
The present invention relates to a kind of oil return mode of automobile-used turbocharging engine booster device lubricant oil, belong to technical field of engines.
Background technique
Along with the increase of automobile pollution and the continuous progress of auto manufacturing technology; For adapting to Abgasgesetz restriction to motor car engine low energy consumption, high-power requirement and increasingly stringent; At present; On-board engine has extensively adopted turbocharging technology, and the design of turbosupercharger has become the important component part of motor research and development, the research of problems such as pressurized machine oil return, each system thermal balance of motor is also become the emphasis problem in this field.
General pressurized machine lubrication oil circulation mode is: oil sump---oil pump---pressurized machine in-line---pressurized machine lubricant reservoir---pressurized machine return line---oil sump.Because motor all adopts the lubrication oil circulation mode of model identical under different operating modes; Can not make full use of the oil suction effect of oil pump, be unfavorable for the pressurized machine oil return, be prone to cause lubricant oil to supercharger air compressor end and turbine end leakage problems; Form carbon distribution; Reduce the life-span of pressurized machine, and the rising of the consumption of machine oil, the raising of engine power performance and economic performance restricted.Be embodied in: when motor is in cold machine state; High temperature grease directly flows back to oil sump in the pressurized machine; Mix after the oil pump pressurization circulates once more with a large amount of lubricant oil in the oil sump, heat loss is bigger, and oil temperature rises slowly; Be unfavorable for shortening the warm-up period of motor under the low temperature environment, efficiency of engine is low.When motor was in hot machine state, high temperature grease directly flowed back to oil sump in the pressurized machine, caused the lubricating oil temperature in the oil sump to rise, and the oil pressure of lubricant oil reduces, and is unfavorable for the lubricated of moving element, is prone to the motor movement parts is caused damage; Also to the thermal equilibrium generation adverse influence of motor, the complete machine hot soak condition makes the heat load of each component of motor big, the life-span of having reduced each component simultaneously.
Summary of the invention
The objective of the invention is to drawback, provide a kind of and can effectively improve engine power performance and economic performance, and adapt to the turbocharging engine booster device lubricating oil return mode of the Abgasgesetz restriction of increasingly stringent to existing technology.
Problem according to the invention realizes with following technical proposals:
A kind of turbocharging engine booster device lubricating oil return mode; Its specialization is: it through on engine cylinder-body, be provided with respectively with the drainback passage A of engine cold running operating mode coupling, with the drainback passage B of normal working of engine operating mode coupling and drainback passage C, drainback passage D and the pressurized machine oil return control valve that is complementary with engine high-temperature environment running operating mode, realize that the circulation of pressurized machine lubricant oil under the motor different operating state is switched.
Above-mentioned turbocharging engine booster device lubricating oil return mode is provided with oil temperature sensor on engine cylinder-body, said oil temperature sensor is connected with the input end of vehicle ECU, is controlled the switching of pressurized machine oil return control valve by vehicle ECU.
Above-mentioned turbocharging engine booster device lubricating oil return mode is provided with the pressurized machine machine oil cooler on engine cylinder-body, said pressurized machine machine oil cooler is arranged among drainback passage C or the drainback passage D.
Above-mentioned turbocharging engine booster device lubricating oil return mode is provided with two oil circuits at oil pump filler opening place, and an oil circuit is communicated with oil trap, and another oil circuit communicates with cylinder body back oil road A.
The present invention is provided with three kinds of different drainback passages of pressurized machine lubricant oil, forms three lubrication oil circulation routes with the Under Different Work Condition of Engine coupling; The present invention transmits information through oil temperature sensor, by the action of vehicle ECU control pressurized machine oil return control valve, realizes the switching of different oils oil return circuit.When motor is in cold machine state, will directly pressurize once more by the lubricant oil that cylinder body back oil road a flows back to and in motor, circulate through oil pump, utilize the hot properties of pressurized machine inner engine oil, shortened the warm-up period of motor; Utilize the negative pressure at oil pump filler opening place simultaneously, improved the oil return performance of pressurized machine, reduced the risk of pressurized machine inner engine oil, reduced the consumption of machine oil to gas compressor end and turbine end seepage; When motor is in the hot environment state, utilize the pressurized machine machine oil cooler to pressurized machine oil return cool off, reduced motor inner engine oil temperature, improved engine motor oil pressure, help the lubricated of motor moving element; Reduce the heat load of each component in the motor simultaneously, prolonged the life-span of component.When motor was in normal operation, the lubricant oil behind the pressurized machine of flowing through through pressurized machine oil return house steward, pressurized machine oil return control valve, cylinder body back oil road b, was directly got back to engine sump tank, has satisfied the lubricating requirement of pressurized machine under this operating mode.The present invention has not only improved efficiency of engine; And reasonably utilized the hot properties of lubricant oil in the pressurized machine, realized the thermal balance of motor; Also improve simultaneously the oil return performance of engine supercharger, reduced the probability of the oil impregnate problem in the pressurized machine that takes place, improved engine power performance and economic performance effectively.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further.
Fig. 1 is a pressurized machine oil return structural representation;
Fig. 2 is a pressurized machine oil return structural representation when engine cold state;
Fig. 3 is a pressurized machine oil return structural representation when the motor normal working;
Fig. 4 is a pressurized machine oil return structural representation when the engine high-temperature ambient condition.
Each label is among the figure: 1, oil trap, 2, oil sump, 3, oil pump, 4, the oil pump filler opening; 5, drainback passage A, 6, pressurized machine oil return house steward, 7, pressurized machine, 8, vehicle ECU; 9, oil temperature sensor, 10, pressurized machine oil return control valve, 11, drainback passage B; 12, drainback passage C, 13, the pressurized machine machine oil cooler, 14, drainback passage D.
Embodiment
Referring to Fig. 1; The present invention on engine cylinder-body, be provided with respectively with the drainback passage A 5 of engine cold running operating mode coupling, with the drainback passage B 11 of normal working of engine operating mode coupling and drainback passage C 12, the drainback passage D 14 that is complementary with engine high-temperature environment running operating mode, to realize the benign cycle of pressurized machine lubricant oil under the motor different operating state.
Referring to Fig. 1; The present invention is provided with oil temperature sensor 9 and pressurized machine oil return control valve 10 on engine cylinder-body; Said oil temperature sensor 9 is connected with the input end of vehicle ECU 8; Control the switching of pressurized machine oil return control valve 10 by vehicle ECU 8, change the oil return route of pressurized machine lubricant oil, satisfy thermally equilibrated demand under the motor different operating state.
Referring to Fig. 1, arrange oil temperature sensor 9 on the motor main oil gallery, oil temperature sensor is given vehicle ECU 8 with signal feed back, and during 10 energisings of vehicle ECU control pressurized machine oil return control valve, electromagnetic coil produces electromagnetic force valve open; During outage, electromagnetic force disappears, and Returnning spring is valve closing.
Referring to Fig. 1, the present invention is provided with pressurized machine machine oil cooler 13 on engine cylinder-body, and said pressurized machine machine oil cooler 1 is when the engine high-temperature state, and oil return is cooled off to pressurized machine.
Referring to Fig. 1, the present invention is provided with two oil circuits at oil pump filler opening 4 places, and an oil circuit is communicated with oil trap 1, and another oil circuit communicates with cylinder body back oil road A 5.
Referring to Fig. 2; When motor is in cold machine running operating mode, lubrication oil circulation route of the present invention is: oil trap 1---oil pump filler opening 4---oil pump 3---pressurized machine 7---pressurized machine oil return house steward 6---pressurized machine oil return control valve 10---drainback passage A 5---oil pump filler opening 4.In the cyclic process of above-mentioned pressurized machine lubricant oil, the lubricant oil that is flowed back to by drainback passage A 5 directly pressurizes once more through oil pump 3 and in motor, circulates, and utilizes the hot properties of pressurized machine 7 inner engine oils, has shortened the warm-up period of motor; Utilize the negative pressure at oil pump filler opening 4 places simultaneously, improved the oil return performance of pressurized machine 7, reduced the risk of pressurized machine inner engine oil, reduced the consumption of machine oil to gas compressor end and turbine end seepage.
Referring to Fig. 3; When motor was in the normal operation operating mode, lubrication oil circulation route of the present invention was: oil trap 1---oil pump filler opening 4---oil pump 3---pressurized machine 7---pressurized machine oil return house steward 6---pressurized machine oil return control valve 10---drainback passage B 11---oil sump 2; In the cyclic process of above-mentioned pressurized machine lubricant oil; Flow through lubricant oil behind the pressurized machine 7; Through pressurized machine oil return house steward 6, pressurized machine oil return control valve 10, drainback passage B 11, directly get back to engine sump tank 2, satisfied the lubricating requirement of pressurized machine 7 under this operating mode.
Referring to Fig. 4; When motor is in hot environment running operating mode, lubrication oil circulation route of the present invention is: oil trap 1---oil pump filler opening 4---oil pump 3---pressurized machine 7---pressurized machine oil return house steward 6---pressurized machine oil return control valve 10---drainback passage C 12---pressurized machine machine oil cooler 13---drainback passage D 14---oil sump 2; In the cyclic process of above-mentioned pressurized machine lubricant oil, utilize 13 pairs of pressurized machine oil returns of pressurized machine machine oil cooler to cool off, reduced motor inner engine oil temperature, improved engine motor oil pressure, help the lubricated of motor moving element; Reduce the heat load of each component in the motor simultaneously, prolonged the life-span of component.
Claims (4)
1. turbocharging engine booster device lubricating oil return mode; It is characterized in that; It through on engine cylinder-body, be provided with respectively with the drainback passage A (5) of engine cold running operating mode coupling, with the drainback passage B (11) of normal working of engine operating mode coupling and drainback passage C (12), drainback passage D (14) and the pressurized machine oil return control valve (10) that is complementary with engine high-temperature environment running operating mode, realize that the circulation of pressurized machine lubricant oil under the motor different operating state is switched.
2. turbocharging engine booster device lubricating oil return mode according to claim 1; It is characterized in that; Oil temperature sensor (9) is set on engine cylinder-body; Said oil temperature sensor (9) is connected with the input end of vehicle ECU (8), is controlled the switching of pressurized machine oil return control valve (10) by vehicle ECU (8).
3. turbocharging engine booster device lubricating oil return mode according to claim 2; It is characterized in that; Pressurized machine machine oil cooler (13) is set on engine cylinder-body, and said pressurized machine machine oil cooler (1) is arranged among drainback passage C (12) or the drainback passage D (14).
4. turbocharging engine booster device lubricating oil return mode according to claim 3; It is characterized in that; Locate to be provided with two oil circuits at oil pump filler opening (4), an oil circuit is communicated with oil trap (1), and another oil circuit communicates with cylinder body back oil road A (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174903.2A CN102705073B (en) | 2012-05-31 | 2012-05-31 | Lubricating oil return mode of supercharger of turbocharged engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210174903.2A CN102705073B (en) | 2012-05-31 | 2012-05-31 | Lubricating oil return mode of supercharger of turbocharged engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102705073A true CN102705073A (en) | 2012-10-03 |
| CN102705073B CN102705073B (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210174903.2A Expired - Fee Related CN102705073B (en) | 2012-05-31 | 2012-05-31 | Lubricating oil return mode of supercharger of turbocharged engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106661975A (en) * | 2014-08-27 | 2017-05-10 | 马自达汽车株式会社 | Oil supply device for engine |
| CN106837471A (en) * | 2017-03-23 | 2017-06-13 | 吉林大学 | Engine oil recycling device in a kind of turbocharger of motor blower outlet gas |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01102443U (en) * | 1987-12-25 | 1989-07-11 | ||
| CN1083898A (en) * | 1992-09-08 | 1994-03-16 | 路来利 | Start pre-lubrication device for engine of vehicles |
| US5517959A (en) * | 1993-01-19 | 1996-05-21 | Toyota Jidosha Kabushiki Kaisha | Lubricating apparatus for an engine |
| JPH11257084A (en) * | 1998-03-17 | 1999-09-21 | Yanmar Diesel Engine Co Ltd | Lubricating unit for turbo charger in internal combustion engine |
| US20060065218A1 (en) * | 2004-09-30 | 2006-03-30 | Honda Motor Co., Ltd. | Cylinder head cooling structure for an internal combustion engine, including an oil temperature sensor and an oil temperature control system |
| JP2009228561A (en) * | 2008-03-24 | 2009-10-08 | Toyota Motor Corp | Lubricating oil supply system of turbo supercharger |
| US20110253092A1 (en) * | 2010-04-15 | 2011-10-20 | Ford Global Technologies, Llc | Oil drain system bypass |
-
2012
- 2012-05-31 CN CN201210174903.2A patent/CN102705073B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01102443U (en) * | 1987-12-25 | 1989-07-11 | ||
| CN1083898A (en) * | 1992-09-08 | 1994-03-16 | 路来利 | Start pre-lubrication device for engine of vehicles |
| US5517959A (en) * | 1993-01-19 | 1996-05-21 | Toyota Jidosha Kabushiki Kaisha | Lubricating apparatus for an engine |
| JPH11257084A (en) * | 1998-03-17 | 1999-09-21 | Yanmar Diesel Engine Co Ltd | Lubricating unit for turbo charger in internal combustion engine |
| US20060065218A1 (en) * | 2004-09-30 | 2006-03-30 | Honda Motor Co., Ltd. | Cylinder head cooling structure for an internal combustion engine, including an oil temperature sensor and an oil temperature control system |
| JP2009228561A (en) * | 2008-03-24 | 2009-10-08 | Toyota Motor Corp | Lubricating oil supply system of turbo supercharger |
| US20110253092A1 (en) * | 2010-04-15 | 2011-10-20 | Ford Global Technologies, Llc | Oil drain system bypass |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106661975A (en) * | 2014-08-27 | 2017-05-10 | 马自达汽车株式会社 | Oil supply device for engine |
| US10267190B2 (en) | 2014-08-27 | 2019-04-23 | Mazda Motor Corporation | Engine oil supply apparatus |
| CN106661975B (en) * | 2014-08-27 | 2019-07-05 | 马自达汽车株式会社 | The machine oil feeding mechanism of engine |
| CN106837471A (en) * | 2017-03-23 | 2017-06-13 | 吉林大学 | Engine oil recycling device in a kind of turbocharger of motor blower outlet gas |
| CN106837471B (en) * | 2017-03-23 | 2022-11-08 | 吉林大学 | Engine oil recovery device in gas at compressor outlet of engine turbocharger |
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| Publication number | Publication date |
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| CN102705073B (en) | 2015-05-27 |
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Granted publication date: 20150527 |